Get the full price history and find the best time to buy.
The lowest price we've tracked for Brother Genuine High Yield Toner Cartridge, tn850, Replacement Black Toner, Page Yield Up To 8, 000 Pages, Amazon Dash Replenishment Cartridge - Prints Up To 8,000 Pages, Amazon Dash Replenishment in the last 90 days is $115.00 (Aug 8, 2026).
Today's price of $140.00 is 22% above the 90-day low.
We've recorded 12 price drops across 50 price checks since Jun 25, 2026; the average price over that period is $125.18.
| Date | Source | Price |
|---|---|---|
| Aug 12, 2026 | Amazon | $140.00 |
| Aug 8, 2026 | Amazon | $115.00 |
| Aug 7, 2026 | Amazon | $140.00 |
| Jul 23, 2026 | Amazon | $119.01 |
| Jul 22, 2026 | Amazon | $120.41 |
| Jul 21, 2026 | Amazon | $140.79 |
| Jul 21, 2026 | Amazon | $121.49 |
| Jul 21, 2026 | Amazon | $140.79 |
| Jul 21, 2026 |
| Amazon |
| $121.49 |
| Jul 21, 2026 | Amazon | $140.79 |
| Jul 21, 2026 | Amazon | $121.49 |
| Jul 20, 2026 | Amazon | $120.99 |
| Jul 20, 2026 | Amazon | $116.72 |
| Jul 18, 2026 | Amazon | $122.99 |
| Jul 17, 2026 | Amazon | $140.79 |
| Jul 17, 2026 | Amazon | $121.49 |
| Jul 16, 2026 | Amazon | $140.79 |
| Jul 15, 2026 | Amazon | $122.99 |
| Jul 13, 2026 | Amazon | $140.00 |
| Jul 5, 2026 | Amazon | $122.49 |
| Jul 3, 2026 | Amazon | $121.10 |
| Jul 2, 2026 | Amazon | $121.49 |
| Jun 30, 2026 | Amazon | $140.79 |
| Jun 29, 2026 | Amazon | $126.15 |
| Jun 25, 2026 | Amazon | $140.79 |